Inflammable gas detecting instrument and desulphurization method thereof
A gas detector and circuit technology, which is applied in the field of combustible gas detectors and sulfur removal, can solve the problems of catalytic sensors such as large influence, poisoning, and reduced catalytic activity, and achieve reliable and accurate detection, accurate measurement results, and improved sensitivity.
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[0019] The technical solutions of the present invention will be further described in detail below through specific embodiments.
[0020] like figure 1 As shown, a combustible gas detector includes a microprocessor circuit, a catalytic sensor connected to the microprocessor circuit, an output voltage controllable power supply circuit, a regulated power supply circuit, a power supply switching circuit, a battery charging circuit, and a controllable power supply circuit. Rechargeable Battery.
[0021] Wherein, the sensor voltage output terminal of the output voltage controllable power supply circuit is connected to the power supply terminal of the catalytic sensor to provide a working voltage; the voltage control terminal of the microprocessor circuit is connected to the sensor voltage of the output voltage controllable power supply circuit Adjust the control terminal, so that the microprocessor circuit controls the output voltage controllable power supply circuit according to t...
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